CN104069610B - A kind of D class powder extinguishing agent and preparation method thereof - Google Patents
A kind of D class powder extinguishing agent and preparation method thereof Download PDFInfo
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- CN104069610B CN104069610B CN201410288771.5A CN201410288771A CN104069610B CN 104069610 B CN104069610 B CN 104069610B CN 201410288771 A CN201410288771 A CN 201410288771A CN 104069610 B CN104069610 B CN 104069610B
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Abstract
Disclosure one D class powder extinguishing agent and preparation method thereof, by weight percentage, including following component: sodium chloride 45～50%, potassium chloride 30～35%, hargil 2～4%, Muscovitum 4～6%, boron nitride 5～8%, white carbon 4～5%, high boiling point silicon oil 2～5%.Product blow-off velocity of the present invention is fast, and general attack time is more than 3 minutes, as long as present invention 1.5-2.5 minute；Compactness is good, the metal derivative stable chemical nature generated after fire extinguishing, not easily resume combustion；Good heat dissipation, cooling is fast, cheap.
Description
Technical field
The present invention relates to powder body extinguishing chemical field, particularly relate to a kind of D class powder extinguishing agent and preparation method thereof.
Background technology
D class fire refers to metallic fires, it is often referred to potassium, sodium, magnesium, lithium and almag fire, along with development of modern industry and various metal are in the extensive use of every profession and trade, metallic fires happens occasionally, because these metal actives are very strong, under room temperature, easily with the oxygen in air, nitrogen generation intense reaction, and release amount of heat, easy spontaneous combustion, self-destruction, with water, CO2 is unable to reach fire extinguishing purpose, the extent of reaction can be increased on the contrary, make the intensity of a fire bigger, and domestic general powder extinguishing agent, also the purpose of the metal fire that goes out it is unable to reach, domestic present stage generally adopts import D class dry powder to put out a fire, use import dry powder price much more expensive, so research D class powder extinguishing agent becomes the imperative task of China's fire protection sector.
Summary of the invention
It is an object of the invention to provide that a kind of blow-off velocity is fast, compactness good, D class powder extinguishing agent that good heat dissipation, cooling are fast, cheap and preparation method thereof.
The present invention adopts the following technical scheme that realization: a kind of D class powder extinguishing agent, by weight percentage, including following component:
Preferably, described D class powder extinguishing agent by weight percentage, including following component:
The preparation method of a kind of D class powder extinguishing agent, comprises the following steps:
1) sodium chloride and the potassium chloride that percentage by weight is 30～35% that percentage by weight is 45～50% are added reaction vessel, stir 8～15 minutes, add the high boiling point silicon oil that percentage by weight is 1～2%, stir, 85～110 DEG C of heated at constant temperature, to mixture moisture content lower than 0.2%, stop heating and be cooled to room temperature, obtaining product A；
2) by described product A by mechanical activation comminution, the grain diameter to more than 80% is 15～40 microns, obtains product B；
3) boron nitride and described product B that Muscovitum that hargil that percentage by weight is 2～4%, percentage by weight are 4～6%, percentage by weight are 5～8% are added in reaction vessel, heat temperature raising also stirs, when mixture is warming up to 50～60 DEG C, adding percentage by weight is the high boiling point silicon oil of 1～3%, stir, add the white carbon that percentage by weight is 3～5%, 85～110 DEG C of heated at constant temperature, to mixture moisture content lower than 0.15%, stop heating and be cooled to room temperature, the sieve that shakes is packed, and obtains finished product.
Preferably, the preparation method of described D class powder extinguishing agent comprises the following steps:
1) sodium chloride and the potassium chloride that percentage by weight is 32% that percentage by weight is 48% are added reaction vessel, stir 10 minutes, add the high boiling point silicon oil that percentage by weight is 1%, stir, 100 DEG C of heated at constant temperature, to mixture moisture content lower than 0.2%, stop heating and be cooled to room temperature, obtaining product A；
2) by described product A by mechanical activation comminution, the grain diameter to more than 80% is 15～40 microns, obtains product B；
3) boron nitride and described product B that Muscovitum that hargil that percentage by weight is 3%, percentage by weight are 4%, percentage by weight are 6% are added in reaction vessel, heat temperature raising also stirs, when mixture is warming up to 55 DEG C, adding percentage by weight is the high boiling point silicon oil of 2%, stirs, add the white carbon that percentage by weight is 4%, 100 DEG C of heated at constant temperature, to mixture moisture content lower than 0.15%, stop heating and are cooled to room temperature, the sieve that shakes is packed, and obtains finished product.
Preferably, step 1) and step 3) described in high boiling point silicon oil feed postition for spray.
Preferably, step 2) described in product A by ring roll pulverizing broken.
Compared with prior art, there is advantages that blow-off velocity is fast, general attack time is more than 3 minutes, as long as present invention 1.5-2.5 minute；Compactness is good, the metal derivative stable chemical nature generated after fire extinguishing, not easily resume combustion；Good heat dissipation, cooling is fast, cheap.
Detailed description of the invention
Below in conjunction with specific embodiment, one D class powder extinguishing agent of the present invention and preparation method thereof is described in further detail.
Embodiment 1
The preparation method of a kind of D class powder extinguishing agent comprises the following steps:
1) sodium chloride and the potassium chloride that percentage by weight is 32% that percentage by weight is 48% are added mixing kettle, stir 10 minutes, adding percentage by weight again through spray is the high boiling point silicon oil of 1%, stir, 100 DEG C of heated at constant temperature, to mixture moisture content lower than 0.2%, stop heating and be cooled to room temperature, obtaining product A；
2) being pulverized by ring roll mill by described product A, the grain diameter to more than 80% is 15～40 microns, obtains product B；
3) boron nitride and described product B that Muscovitum that hargil that percentage by weight is 3%, percentage by weight are 4%, percentage by weight are 6% are added in reaction vessel, heat temperature raising also stirs, when mixture is warming up to 55 DEG C, adding percentage by weight is the high boiling point silicon oil of 2%, stirs, add the white carbon that percentage by weight is 4%, 100 DEG C of heated at constant temperature, to mixture moisture content lower than 0.15%, stop heating and are cooled to room temperature, the sieve that shakes is packed, and obtains finished product.
Embodiment 2
The preparation method of a kind of D class powder extinguishing agent comprises the following steps:
1) sodium chloride and the potassium chloride that percentage by weight is 30% that percentage by weight is 50% are added mixing kettle, stir 8 minutes, adding percentage by weight again through spray is the high boiling point silicon oil of 1%, stir, 110 DEG C of heated at constant temperature, to mixture moisture content lower than 0.2%, stop heating and be cooled to room temperature, obtaining product A；
2) being pulverized by ring roll mill by described product A, the grain diameter to more than 80% is 15～40 microns, obtains product B；
3) boron nitride and described product B that Muscovitum that hargil that percentage by weight is 4%, percentage by weight are 6%, percentage by weight are 5% are added in reaction vessel, heat temperature raising also stirs, when mixture is warming up to 55 DEG C, adding percentage by weight is the high boiling point silicon oil of 1%, stirs, add the white carbon that percentage by weight is 3%, 110 DEG C of heated at constant temperature, to mixture moisture content lower than 0.15%, stop heating and are cooled to room temperature, the sieve that shakes is packed, and obtains finished product.
Embodiment 3
The preparation method of a kind of D class powder extinguishing agent comprises the following steps:
1) sodium chloride and the potassium chloride that percentage by weight is 35% that percentage by weight is 45% are added mixing kettle, stir 15 minutes, adding percentage by weight again through spray is the high boiling point silicon oil of 2%, stir, 85 DEG C of heated at constant temperature, to mixture moisture content lower than 0.2%, stop heating and be cooled to room temperature, obtaining product A；
2) being pulverized by ring roll mill by described product A, the grain diameter to more than 80% is 15～40 microns, obtains product B；
3) boron nitride and described product B that Muscovitum that hargil that percentage by weight is 2%, percentage by weight are 3%, percentage by weight are 6% are added in reaction vessel, heat temperature raising also stirs, when mixture is warming up to 55 DEG C, adding percentage by weight is the high boiling point silicon oil of 2%, stirs, add the white carbon that percentage by weight is 5%, 85 DEG C of heated at constant temperature, to mixture moisture content lower than 0.15%, stop heating and are cooled to room temperature, the sieve that shakes is packed, and obtains finished product.
Embodiment 4
The preparation method of a kind of D class powder extinguishing agent comprises the following steps:
1) sodium chloride and the potassium chloride that percentage by weight is 33% that percentage by weight is 46% are added mixing kettle, stir 12 minutes, adding percentage by weight again through spray is the high boiling point silicon oil of 2%, stir, 100 DEG C of heated at constant temperature, to mixture moisture content lower than 0.2%, stop heating and be cooled to room temperature, obtaining product A；
2) being pulverized by ring roll mill by described product A, the grain diameter to more than 80% is 15～40 microns, obtains product B；
3) boron nitride and described product B that Muscovitum that hargil that percentage by weight is 2%, percentage by weight are 3%, percentage by weight are 8% are added in reaction vessel, heat temperature raising also stirs, when mixture is warming up to 55 DEG C, adding percentage by weight is the high boiling point silicon oil of 3%, stirs, add the white carbon that percentage by weight is 3%, 100 DEG C of heated at constant temperature, to mixture moisture content lower than 0.15%, stop heating and are cooled to room temperature, the sieve that shakes is packed, and obtains finished product.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all any amendment, equivalent replacement and improvement etc. made within the spirit and principles in the present invention, should be included within protection scope of the present invention.
Claims (6)
1. a D class powder extinguishing agent, it is characterised in that by weight percentage, including following component:
2. D class powder extinguishing agent according to claim 1, it is characterised in that by weight percentage, including following component:
3. the preparation method of a D class powder extinguishing agent according to claim 1, it is characterised in that comprise the following steps:
1) sodium chloride and the potassium chloride that percentage by weight is 30～35% that percentage by weight is 45～50% are added reaction vessel, stir 8～15 minutes, add the high boiling point silicon oil that percentage by weight is 1～2%, stir, 85～110 DEG C of heated at constant temperature, to mixture moisture content lower than 0.2%, stop heating and be cooled to room temperature, obtaining product A；
2) by described product A by mechanical activation comminution, the grain diameter to more than 80% is 15～40 microns, obtains product B；
3) boron nitride and described product B that Muscovitum that hargil that percentage by weight is 2～4%, percentage by weight are 4～6%, percentage by weight are 5～8% are added in reaction vessel, heat temperature raising also stirs, when mixture is warming up to 50～60 DEG C, adding percentage by weight is the high boiling point silicon oil of 1～3%, stir, add the white carbon that percentage by weight is 4～5%, 85～110 DEG C of heated at constant temperature, to mixture moisture content lower than 0.15%, stop heating and be cooled to room temperature, the sieve that shakes is packed, and obtains finished product.
4. preparation method according to claim 3, it is characterised in that comprise the following steps:
1) sodium chloride and the potassium chloride that percentage by weight is 32% that percentage by weight is 48% are added reaction vessel, stir 10 minutes, add the high boiling point silicon oil that percentage by weight is 1%, stir, 100 DEG C of heated at constant temperature, to mixture moisture content lower than 0.2%, stop heating and be cooled to room temperature, obtaining product A；
2) by described product A by mechanical activation comminution, the grain diameter to more than 80% is 15～40 microns, obtains product B；
3) boron nitride and described product B that Muscovitum that hargil that percentage by weight is 3%, percentage by weight are 4%, percentage by weight are 6% are added in reaction vessel, heat temperature raising also stirs, when mixture is warming up to 55 DEG C, adding percentage by weight is the high boiling point silicon oil of 2%, stirs, add the white carbon that percentage by weight is 4%, 100 DEG C of heated at constant temperature, to mixture moisture content lower than 0.15%, stop heating and are cooled to room temperature, the sieve that shakes is packed, and obtains finished product.
5. the preparation method according to claim 3 or 4, it is characterised in that step 1) and step 3) described in high boiling point silicon oil feed postition for spray.
6. the preparation method according to claim 3 or 4, it is characterised in that step 2) described in product A by ring roll pulverizing broken.
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| CN104069610B true CN104069610B (en) | 2016-07-06 |
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| CN114377337A (en) * | 2021-12-20 | 2022-04-22 | 佛山市南海铧杨消防器材有限公司 | Production system and production method of ammonium phosphate dry powder extinguishing agent |
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| CN1038310C (en) * | 1993-03-26 | 1998-05-13 | 武汉消防科研实验工厂 | Dry powder fire-extinguishing agent made of sodium chloride and the method for prodn. of same |
| CN1059604C (en) * | 1995-03-03 | 2000-12-20 | 北京秦城灭火剂厂 | Sodium chloride dry powder fire-extinguishing agent and its manufacture method |
| CN1124171A (en) * | 1995-09-20 | 1996-06-12 | 武汉消防科研实验工厂 | Full function ABCD dry powder fire-extinguishing chemical and producing method |
| CN1176144A (en) * | 1996-09-11 | 1998-03-18 | 李茂廷 | Sodium chloride powder fire-extinguishant |
| JP4785315B2 (en) * | 2000-01-21 | 2011-10-05 | ユー．エス．ボラックス インコーポレイテッド | Nonaborate composition and production method thereof |
| JP5078842B2 (en) * | 2008-03-28 | 2012-11-21 | ニチアス株式会社 | Refractory composition, fire-resistant molded body and fire-resistant fired body |
| CN101732818A (en) * | 2008-11-27 | 2010-06-16 | 周丹 | Fire extinguishing agent |
| CN102512779B (en) * | 2011-11-24 | 2014-02-05 | 苏州大学 | Dry powder fire extinguishing agent |
| CN103751940B (en) * | 2013-12-27 | 2016-04-13 | 山东环绿康新材料科技有限公司 | Polynary D class powder extinguishing agent is in the application in magnesium metal and sodium metal fire of going out |
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